#4F81F2#4F81F2

#4F81F2 is a light, vivid blue. Relative luminance 0.238; OKLCH L 62.6% C 0.178 H 264.0°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#4F81F2
RGB	rgb(79, 129, 242)
HSL	hsl(222, 86%, 63%)
HSV	hsv(222, 67%, 95%)
CMYK	cmyk(67.4%, 46.7%, 0%, 5.1%)
CIE-LAB	lab(55.86, 19.34, -61.80)
CIE-LCH	lch(55.86, 64.76, 287.38°)
OKLab	oklab(62.61% -0.0186 -0.1771)
OKLCH	oklch(62.61% 0.178 264)
XYZ	xyz(27.0961, 23.7709, 87.1474)
Luminance	0.2377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F81F2 #F2C04F

analogous

#4FD2F2 #4F81F2 #6E4FF2

triadic

#4F81F2 #F24F81 #81F24F

tetradic

#4F81F2 #F24FD2 #F2C04F #4FF26E

square

#4F81F2 #F24FD2 #F2C04F #4FF26E

split-complementary

#4F81F2 #F26E4F #D2F24F

monochromatic

#0E42B9 #1658EE #4F81F2 #88AAF6 #C1D3FA

Accessibility & contrast

On white

3.65

#4F81F2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#4F81F2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F81F2

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F81F2	#FFFFFF	#000000	##000000
##4F81F2	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#468EF6

Deuteranopia (green-blind)

#217FF0

Tritanopia (blue-blind)

#009BAE

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4f81f2;
/* rgb */ color: rgb(79, 129, 242);
/* oklch */ color: oklch(62.6% 0.178 264.0);

Tailwind

colors: {
  custom: {
    50: '#91a5f7',
    500: '#4f81f2',
    950: '#000000',
  },
}

SCSS

$custom: #4f81f2;
$custom-light: #91a5f7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f81f2",
  "rgb": {
    "r": 79,
    "g": 129,
    "b": 242
  },
  "hsl": {
    "h": 221.595,
    "s": 86.243,
    "l": 62.941
  },
  "oklch": {
    "l": 0.6261,
    "c": 0.17802,
    "h": 264
  },
  "luminance": 0.23774
}

Semantic roles & 50–950 ramp

primary

#4F81F2

secondary

#ECDAB1

accent

#9E03E3

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4F81F2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →